[The severe course of hyperparathyroidism in the elderly: Clinical cases].

Primary hyperparathyroidism (PHPT) is a disease of the endocrine system caused by excessive secretion of parathyroid hormone (PTH) and is characterized by a pronounced violation of calcium and phosphorus metabolism. More recently, in Russia, PHPT was detected extremely rarely and often hid under the mask of recurrent urolithiasis, generalized osteoporosis and other pathologies. As a result, patients did not receive adequate treatment, which in a certain percentage of cases led to the development of serious complications.The clinical cases of severe PHPT in postmenopausal women are presented in this article.